package behavioralpattern.observerpattern;
/**
 * 邢帅教育
 * <p>
 * 本源代码由数据中心及其作者共同所有，未经版权持有者的事先书面授权，
 * 不得使用、复制、修改、合并、发布、分发和/或销售本源代码的副本。
 *
 * @copyright Copyright (c) 2018. xsteach.com all rights reserved.
 */

/**
 * @author maikec
 * @date 2018/9/14
 */
public class NullObserverException extends RuntimeException {
    public NullObserverException() {
        super("null of Observer");
    }
    public NullObserverException(String msg) {
        super(msg);
    }
    public NullObserverException(Exception exception) {
        super(exception);
    }

    public NullObserverException(Throwable throwable) {
        super(throwable);
    }

    public NullObserverException(String msg, Throwable throwable) {
        super(msg, throwable);
    }
}
